HBASE-19649 Use singleton feature for ImmutableSegment Signed-off-by: Chia-Ping Tsai <chia7...@gmail.com>
Project: http://git-wip-us.apache.org/repos/asf/hbase/repo Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/0d0964aa Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/0d0964aa Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/0d0964aa Branch: refs/heads/HBASE-19397 Commit: 0d0964aa6a0edd9b1d6f86dec6ea9176d2d9efcc Parents: a21eb68 Author: BELUGA BEHR <dam6...@gmail.com> Authored: Sat Dec 30 06:33:09 2017 +0800 Committer: Chia-Ping Tsai <chia7...@gmail.com> Committed: Sat Dec 30 06:34:45 2017 +0800 ---------------------------------------------------------------------- .../hadoop/hbase/regionserver/ImmutableSegment.java | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hbase/blob/0d0964aa/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ImmutableSegment.java ---------------------------------------------------------------------- diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ImmutableSegment.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ImmutableSegment.java index 02a05c8..c899eab 100644 --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ImmutableSegment.java +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ImmutableSegment.java @@ -18,15 +18,11 @@ */ package org.apache.hadoop.hbase.regionserver; - -import org.apache.yetus.audience.InterfaceAudience; -import org.apache.hadoop.hbase.util.ClassSize; -import org.apache.hadoop.hbase.CellComparator; -import org.apache.hadoop.hbase.io.TimeRange; - -import java.util.ArrayList; -import java.util.Arrays; +import java.util.Collections; import java.util.List; +import org.apache.hadoop.hbase.CellComparator; +import org.apache.hadoop.hbase.util.ClassSize; +import org.apache.yetus.audience.InterfaceAudience; /** * ImmutableSegment is an abstract class that extends the API supported by a {@link Segment}, @@ -75,8 +71,7 @@ public abstract class ImmutableSegment extends Segment { } public List<Segment> getAllSegments() { - List<Segment> res = new ArrayList<>(Arrays.asList(this)); - return res; + return Collections.singletonList(this); } @Override
